body {
  flex-direction: column;
}
.header {
  height: 44px;
  line-height: 44px;
  text-align: center;
}
.main {
  flex: 1;
  background: url(../img/advertisement-bg.jpg) center;
  background-size: cover;
}
.skip {
  width: 105px;
  height: 40px;
  background-color: #fff;
  padding: 10px;
  box-sizing: border-box;
  border-radius: 20px 20px 20px 20px;
  text-align: center;
  border: 1px solid #bbbbbb;
  top: 30px;
  right: 20px;
}
.skip .seconds {
  padding: 0 5px;
}
.skip .skip-btn {
  height: 20px;
  padding: 0 10px;
  border-left: 1px solid #BBBBBB;
}
.slogan {
  width: 100%;
  bottom: 10%;
  text-align: center;
  height: 64px;
  font-weight: 900;
  color: #ffffff;
}
